/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package com.feilong.lib.org.apache.http.conn.scheme;

import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;

import com.feilong.lib.org.apache.http.params.HttpParams;

/**
 * Extended {@link SchemeSocketFactory} interface for layered sockets such as SSL/TLS.
 *
 * @since 4.2
 *
 * @deprecated (4.3) use {@link
 *             com.feilong.lib.org.apache.http.conn.socket.LayeredConnectionSocketFactory}
 */
@Deprecated
public interface SchemeLayeredSocketFactory extends SchemeSocketFactory{

    /**
     * Returns a socket connected to the given host that is layered over an
     * existing socket. Used primarily for creating secure sockets through
     * proxies.
     *
     * @param socket
     *            the existing socket
     * @param target
     *            the name of the target host.
     * @param port
     *            the port to connect to on the target host
     * @param params
     *            HTTP parameters
     *
     * @return Socket a new socket
     *
     * @throws IOException
     *             if an I/O error occurs while creating the socket
     * @throws UnknownHostException
     *             if the IP address of the host cannot be
     *             determined
     */
    Socket createLayeredSocket(Socket socket,String target,int port,HttpParams params) throws IOException,UnknownHostException;

}
